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-rw-r--r--gl/lib/float.c33
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diff --git a/gl/lib/float.c b/gl/lib/float.c
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+/* Auxiliary definitions for <float.h>.
+ Copyright (C) 2011-2022 Free Software Foundation, Inc.
+ Written by Bruno Haible <bruno@clisp.org>, 2011.
+
+ This file is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of the
+ License, or (at your option) any later version.
+
+ This file is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <float.h>
+
+#if (defined _ARCH_PPC || defined _POWER) && (defined _AIX || defined __linux__) && (LDBL_MANT_DIG == 106) && defined __GNUC__
+const union gl_long_double_union gl_LDBL_MAX =
+ { { DBL_MAX, DBL_MAX / (double)134217728UL / (double)134217728UL } };
+#elif defined __i386__
+const union gl_long_double_union gl_LDBL_MAX =
+ { { 0xFFFFFFFF, 0xFFFFFFFF, 32766 } };
+#else
+/* This declaration is solely to ensure that after preprocessing
+ this file is never empty. */
+typedef int dummy;
+#endif